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Center for Applied Rationality
US-based nonprofit organization
US-based nonprofit organization
| Field | Value |
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| name | Center for Applied Rationality |
| image | CFAR.png |
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| type | Nonprofit research institute |
| status | 501(c)(3) tax exempt charity |
| purpose | Research and training in cognitive science, and de-biasing, to alleviate existential risk from artificial general intelligence |
| location | Berkeley, California, U.S. |
| coords | |
| leader_title3 | President |
| leader_name3 | Anna Salamon |
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The Center for Applied Rationality (CFAR) is a nonprofit organization based in Berkeley, California, that hosts workshops on rationality and cognitive bias. It was founded in 2012 by Julia Galef, Anna Salamon, Michael Smith and Andrew Critch, to improve participants' rationality using "a set of techniques from math and decision theory for forming your beliefs about the world as accurately as possible". Its president since 2021 is Anna Salamon.
CFAR's training draws upon fields such as psychology and behavioral economics in an effort to improve people's mental habits. Jennifer Kahn visited the group and described its strengths and flaws in the New York Times. CFAR has conducted a survey of participants which indicates that workshops reduce neuroticism and increase perceived efficacy.
CFAR is part of the rationality movement surrounding Eliezer Yudkowsky's web site LessWrong, from which CFAR originated. Paul Slovic and Keith Stanovich have served as advisors.
The group taught classes for Facebook and the Thiel Fellowship.
A scholarship funded by the founder of Skype, Jaan Tallinn, has been used to send selected Estonian students to workshops held by the Center for Applied Rationality.
"Zizians" and Sonoma County incident
On November 15, 2019, four people dressed in Guy Fawkes masks were arrested for allegedly barricading off a wooded retreat where CFAR was holding an event. According to police, the suspects were not cooperative and said things about their views on rationalism that the officers could not understand. The protesters were members of a splinter group of the rationalist movement that became known as the "Zizians". They alleged that CFAR's leader "discriminates against trans women", and accused CFAR of not "appreciably develop[ing] novel rationality/mental tech". Alleged members of the Zizians later became the suspects or persons of interest in an attempted murder in November 2022 and four murders in 2022 and 2025, including the killing of a U.S. Border Patrol officer in a shootout. Two of the alleged Zizians also died violently in these incidents.
References
References
- "Center for Applied Rationality". Guidestar.
- Salamon, Anna. (December 3, 2016). "CFAR's new focus, and AI Safety".
- Segran, Elizabeth. (October 21, 2014). "Inside the Rationality Movement That Has Silicon Valley Buzzing With Positive Thinking". Mansueto Ventures, LLC.
- Dvorsky, George. (February 11, 2012). "Why you're probably not as rational as you think you are — and what you can do about it".
- Kahn, Jennifer. (January 14, 2016). "The Happiness Code". The New York Times Magazine.
- Matsakis, Louise. (May 17, 2016). "The 'Rationality' Workshop That Teaches People to Think More Like Computers". Vice.
- Chen, Angela. (January 1, 2014). "More Rational Resolutions". Nerve Magazine.
- Schubert, Stefan. (2014). "The Center for Applied Rationality: practical techniques for overcoming biases". The Reasoner.
- (January 14, 2014). "Skype founder donates 54,000 euros to Tartu University". The Baltic Times.
- Gafni, Mattias. (November 18, 2019). "Mystery in Sonoma County after arrests of protesters in Guy Fawkes masks and robes". [[San Francisco Chronicle]].
- (21 February 2025). "The Delirious, Violent, Impossible True Story of the Zizians".
- Mandoli, Ava. (January 31, 2025). "Maps and timeline clarify confusing 'Ziz' case linked to death of Bay Area landlord, five others". San Francisco Chronicle.
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